thanx errol that what i needed to read
Leighton ----- Original Message ----- From: "E Smith" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, February 24, 2002 9:42 AM Subject: RE: Whiteline suspension upgrade > Leighton, > That was probably a bit excessive saying they are a disaster waiting to > happen but they do chop out. This happens reasonably quickly in race > conditions. As Cam mentioned, the bushes in the arm have to be distorted to > pull on large amounts of caster. This means that with any bumps the pivot > shaft is trying to split the bush. With a rose joint, the ball automatically > aligns with the shaft and has minimal friction allowing the suspension to > work more freely. > For smaller amounts of caster (below 2.5 - 3 degrees) the bushes will absorb > this amount of deflection without the load on the bushing being excessive. > This is why manufacturers use rubber/urethane bushes in situations for up to > 3 degrees caster. The load increases exponentially with the amount of bush > deflection. > It all means that my personal preference is for a rose jointed arm over a > bushed one. If in the interests of legality you have to have an arm deemed > suitable for road use it looks like you have to have a bushed arm. > > Cheers > Feral Errol > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Leighton > Sent: Sunday, 24 February 2002 4:29 AM > To: [EMAIL PROTECTED] > Subject: Re: Whiteline suspension upgrade > > by saying bushes are a disaster waiting to happen do you mean that doing the > shims or threaded type you have to ue rose joints??? > > Thanx > > Leighton > > ----- Original Message ----- > From: "E Smith" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Saturday, February 23, 2002 9:41 PM > Subject: RE: Whiteline suspension upgrade > > > > I have the same 5/8" UNF rose joints on my sunny coupe Lower control arms. > > They were $90 each trade (aircraft grade) but are semi sealed and have a > > load rating in keeping with the price. The advantage is that they are > > precise and also allow for caster angularity on the arms. Bushes are a > > disaster waiting to happen. > > Cheers > > Feral Errol > > PS I do not believe adjustable control arms are road legal in any state. I > > have been down this road many times before and have yet to any one that > will > > say yes they are legal. If the police look at your suspension the make it > a > > tow home condition here as well. Still doesn't stop most rally cars or > > road/circuit cars though. > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED]]On Behalf Of Williams, > Ritchie > > (Vertex Hamilton) > > Sent: Saturday, 23 February 2002 2:21 PM > > To: [EMAIL PROTECTED] > > Subject: Re: Whiteline suspension upgrade > > > > I have 5/8" UNF Rosejoints on the lower arms on my 1600 rally car & have > > never had a problem with getting a warrant in NZ. > > > > They with stood a 4 x rollover which bent tie rod ends & rear control > > arm & showed no signs of any damage. You would be supprised how strong a > > good quality rose joint is(emphasis on good quality). If you looked at > > most modern WRC cars all of them use rose joints for suspension > > adjustment. They do need regular maintenance with lubrication though or > > they will flog out. > > > > > > > > > > > > > > > --membersozdat------------------------------------------------------- OZDAT Mailing List Please Note:- Send (un)subscribe requests to [EMAIL PROTECTED] Send submissions to [EMAIL PROTECTED] No unauthorised redistribution of this email http://www.ozdat.com/ozdatonline/index.htm http://www.ozdat.com/ozdatonline/listindex.html http://www.mail-archive.com/[email protected]/ ---------------------------------------------------------------------
